Process of manufacturing a waterproof mortar.



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UNITED STATES PATENT OFFICE.

ADOLF MARKUS, OF DRESDEN, GERMANY,

ASSIGNOIR, 'ro AUGUST FREE, or DRESDEN,

GERMANY.

PROCESS OF MANUFACTURING A WATERPROOF MORTAR.

No Drawing. Application filed July 17,

To all whom it may concern Be it known that I, ADoLF MARKUS, a subject of the Emperor of Austria-Hungary, and residing at Dresden, N, Germany, have invented certain new and useful Improvements in Processes of Manufacturing a lVaterproof Mortar, of which the following is a specification.

This invention relates to a process which allows of rendering mortar water proof simply by adding to it a pulverulent composition, as more fully described hereinafter.

It has already been proposed to make masonrv water proof by sprinkling it with Emu H311 of soap and alum, but no satisfactory result has been obtained by that means. It has further been proposed to use sebacate of alumina in a dry state as an addio mor ar, u the practical experiments made With such mortar have revealed the fact, that the mortar binds but imperfectly and is not water proofwhen subjected to high water pressure. This drawback has, however, been overcome by preparing a composition of matter obtained by treating a solution of rofcammonium first with calcium h 7 rom an a solution of minum so as to obtain sulfate mime of calcium and oleate of aluminum andof calcium." This composi 1011 0 ma er w en a e to the mortar renders it in fact water proof under any conditions and neither reduces the strength of the mortar nor shortens the time of binding. This procedure, however, is not suited for general-application because of its disadvantages. since it requires the transportation with it of a large amount of water (about 80% of its mass) while its admix- 4 ture and incorporation, generally by unskilled hands, is often imperfect and incomplete, causing lack of homogeneity; and its use is precluded where such pulverulent materials are required as in materials for plastering and for artificial stones, (mortar for coating or surfacing the outside of buildings and the like). Now I have discovered that the formation ha of a 111 v flaky alummate of lime. in connection with oleate of calcium and aluminum, takes place also when so such as oleate oF l'soc 111m and'caustic lime or Hydrate Specification of Letters Patent.

Patented Deo.23,1913.

1912. Serial No. 710,037.

a pulp of aluminates of lime with aluminum We epup 1s 1sr1ue practically uniformly throughout the whole mass or bulk of the mortar, in fact, far more uniform than can be attained by adding it already formed as hitherto. The action of the composition of matter is more energetic, the quality of the mortar is improved, and the composition can be used also in connection with dry substances, such as employed for instance in the manufacture of artificial stone and the like. Where the ingredients are thus added in a finely divided dry state to the mortar, and made to react with the water added to the mortar to form the ill- 8 soluble waterproofing ingredients, these in- -grt-i dients are thus formed in the mortar itself, and are, so to speak, made to form situ Owing to the ease with which thoroiigh intermixture of dry materials is effected, and the finely divided nature of the dry materials, a thorough and substantially homogeneous mixture is possible, and a resulting thorough waterproofing of the mortar is attained. The waterproofing is effected in a similar manner when the dry materials are first diluted with an indifferent material such as 6155 such dilution causing a more even spreading out of the mixture through the mortar and giving a more uniform mixture with the mortar, with less tendency for the formation of lumps.

What I claim as new and desire to secure by Letters Patent is:

1. The process of manufacturing a water proof mortar, consisting in mixing a pulverized soluble soap, a pulverized soluble aluminate. and pulverized d t o m each other, and adding the mixture to the mortar.

2. The process of manufacturing a water proof mortar, consisting in mixing a pulver-' of lime are mixed u with water and with L mic aluminates. fiased on said observa- W ized soap of oleate of sodium, 9. pulverized soluble aluminate, and pulverized hydrate of lime with each other, and adding the mixture to the component parts of the mortar.

3. The process of manufacturing a Water proof mortar, consisting in mixing a pulverized soluble soap, a pulverized soluble aluminate, and pulverized caustic lime with each other, and adding the mixture to the component parts of the mortar before the formation of the mortar therefrom.

4. The process of manufacturing a water proof mortar, consisting in mixing a pulverized soluble soap, a pulverized soluble aluminate, pulverized hydrate of lime, and a pulverized indifi'erent substance with each other, adding the mixture to the component parts of the mortar, and mixing. up the Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

, Washington, D. 0. 

